Statements (21)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:Lagrange_point
|
| gptkbp:advantageForAstronomy |
stable thermal environment
continuous view away from Sun and Earth |
| gptkbp:alsoKnownAs |
gptkb:L2
|
| gptkbp:category |
gptkb:astrodynamics
celestial mechanics |
| gptkbp:discoveredBy |
gptkb:Joseph-Louis_Lagrange
|
| gptkbp:discoveredIn |
1772
|
| gptkbp:distanceFromEarth |
about 1.5 million kilometers
lies beyond Earth, on the line defined by the Sun and Earth about 151.5 million kilometers |
| gptkbp:locatedIn |
gptkb:Earth-Sun_system
|
| gptkbp:numberOfLagrangePointsInSystem |
5
|
| gptkbp:orbitType |
about 1 year (same as Earth)
|
| gptkbp:requiresStationKeeping |
true
|
| gptkbp:stable |
metastable
|
| gptkbp:usedBy |
gptkb:Gaia_spacecraft
gptkb:Planck_spacecraft gptkb:Herschel_Space_Observatory gptkb:James_Webb_Space_Telescope |
| https://www.w3.org/2000/01/rdf-schema#label |
Earth-Sun L2
|